From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946707AbXD3T1M (ORCPT ); Mon, 30 Apr 2007 15:27:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946717AbXD3T1M (ORCPT ); Mon, 30 Apr 2007 15:27:12 -0400 Received: from agminet01.oracle.com ([141.146.126.228]:60409 "EHLO agminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946707AbXD3T1J (ORCPT ); Mon, 30 Apr 2007 15:27:09 -0400 Date: Mon, 30 Apr 2007 12:23:31 -0700 From: Bill Irwin To: Christoph Hellwig , Andi Kleen , Alan Cox , David Chinner , Zan Lynx , Adrian Bunk , Linux Kernel Subject: Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default) Message-ID: <20070430192331.GC26598@holomorphy.com> Mail-Followup-To: Bill Irwin , Christoph Hellwig , Andi Kleen , Alan Cox , David Chinner , Zan Lynx , Adrian Bunk , Linux Kernel References: <20070430035838.GC77450368@melbourne.sgi.com> <20070430091754.24df88df@the-village.bc.nu> <20070430104806.GA14944@infradead.org> <20070430173819.GC19966@holomorphy.com> <20070430174310.GE19966@holomorphy.com> <20070430181104.GB14739@infradead.org> <20070430190952.GP31925@holomorphy.com> <20070430191511.GA25318@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070430191511.GA25318@infradead.org> User-Agent: Mutt/1.5.11 X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 30, 2007 at 08:15:11PM +0100, Christoph Hellwig wrote: > So if you want to invest some time into getting this into mergeable > shape I'd suggest you redo the patch series in the following way: > patch 1: dynamic allocated irq stacks > patch 2: make irqstacks unconditional, but allow selecting 4/8k stacks > patch 3: introduce a DEBUG_STACK option that enables vmalloc'ed stacks > and adds the __pa check. This was actually done for work purposes, hence the change of email addresses. I can redo it in such a manner, provided it's not duplicating mergework Andi Kleen intends to do or otherwise includes pieces (like the __pa() check) he'd prefer to drop. -- wli